Browsing Bergen Open Research Archive by Author "Vatten, Lars Johan"
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APOBEC3A/B deletion polymorphism and endometrial cancer risk
Sofiyeva, Nigar; Krakstad, Camilla; Halle, Mari Kyllesø; O'Mara, Tracy A.; Romundstad, Pål Richard; Hveem, Kristian; Vatten, Lars Johan; Lønning, Per Eystein; Gansmo, Liv Beathe; Knappskog, Stian (Journal article; Peer reviewed, 2022)Background A common 30 kb deletion affecting the APOBEC3A and APOBEC3B genes has been linked to increased APOBEC activity and APOBEC-related mutational signatures in human cancers. The role of this deletion as a cancer ... -
Associations between the MDM2 promoter P1 polymorphism del1518 (rs3730485) and incidence of cancer of the breast, lung, colon and prostate
Gansmo, Liv Beathe; Vatten, Lars Johan; Romundstad, Pål Richard; Hveem, Kristian; Ryan, Bríd M.; Harris, Curtis C.; Knappskog, Stian; Lønning, Per Eystein (Peer reviewed; Journal article, 2016-04-12)The MDM2 promoter region contains several polymorphisms, some of which have been associated with MDM2 expression, cancer risk and age at cancer onset. del1518 (rs3730485) is an indel polymorphism residing in the MDM2 ... -
Characterization of FGD5 expression in primary breast cancers and lymph node metastases
Valla, Marit; Mjønes, Patricia; Engstrøm, Monica J; Ytterhus, Borgny; Bordin, Diana Lilian; van Loon, Barbara; Akslen, Lars A.; Vatten, Lars Johan; Opdahl, Signe; Bofin, Anna M. (Peer reviewed; Journal article, 2018)Faciogenital dysplasia 5 (FGD5) amplification drives tumor cell proliferation, and is present in 9.5% of breast cancers. We describe FGD5 expression, assess associations between FGD5 amplification and FGD5 expression, and ... -
FGD5 amplification in breast cancer patients is associated with tumor proliferation and a poorer prognosis
Valla, Marit; Engstrøm, Monica J; Ytterhus, Borgny; Hansen, Åse Kristin Skain; Akslen, Lars A.; Vatten, Lars Johan; Opdahl, Signe; Bofin, Anna M. (Peer reviewed; Journal article, 2017-04)Purpose: Proliferation is a hallmark of cancer. Using a combined genomic approach, FGD5 amplification has been identified as a driver of proliferation in Luminal breast cancer. We aimed to describe FGD5 copy number change ... -
Impact of MDM2 promoter SNP55 (rs2870820) on risk of endometrial and ovarian cancer
Helwa, Reham; Gansmo, Liv Beathe; Bjørnslett, Merete Pauline; Halle, Mari Kyllesø; Werner, Henrica Maria Johanna; Romundstad, Pål Richard; Hveem, Kristian; Vatten, Lars Johan; Dørum, Anne; Lønning, Per Eystein; Knappskog, Stian (Journal article; Peer reviewed, 2021)Background While large GWAS analyses have not found convincing associations between MDM2 promoter SNP55 and gynaecological cancers, SNP55 is in linkage disequilibrium with two other functional SNPs in the same promoter, ... -
Impact of the APOBEC3A/B deletion polymorphism on risk of ovarian cancer
Gansmo, Liv Beathe; Sofiyeva, Nigar; Bjørnslett, Merete Pauline; Romundstad, Pål Richard; Hveem, Kristian; Vatten, Lars Johan; Dørum, Anne; Lønning, Per Eystein; Knappskog, Stian (Journal article; Peer reviewed, 2021)A germline 29.5-kb deletion variant removes the 3’ end of the APOBEC3A gene and a large part of APOBEC3B, creating a hybrid gene that has been linked to increased APOBEC3 activity and DNA damage in human cancers. We genotyped ... -
MDM2 promoter polymorphism del1518 (rs3730485) and its impact on endometrial and ovarian cancer risk
Gansmo, Liv Beathe; Bjørnslett, Merete Pauline; Halle, Mari Kyllesø; Salvesen, Helga; Romundstad, Pål Richard; Hveem, Kristian; Vatten, Lars Johan; Dørum, Anne; Lønning, Per Eystein; Knappskog, Stian (Peer reviewed; Journal article, 2017-02-03)Background: The del1518 (rs3730485) polymorphism is an in/del variant in the MDM2 promoter P1. The variant is in complete linkage disequilibrium with MDM2 SNP309 (rs2279744) and has previously been found associated with ... -
MDM2 promoter SNP55 (rs2870820) affects risk of colon cancer but not breast-, lung-, or prostate cancer
Helwa, Reham; Gansmo, Liv Beathe; Romundstad, Pål Richard; Hveem, Kristian; Vatten, Lars Johan; Ryan, Bríd M.; Harris, Curtis C.; Lønning, Per Eystein; Knappskog, Stian (Peer reviewed; Journal article, 2016-09-14)Two functional SNPs (SNP285G > C; rs117039649 and SNP309T > G; rs2279744) have previously been reported to modulate Sp1 transcription factor binding to the promoter of the proto-oncogene MDM2, and to influence cancer risk. ... -
MDM4 SNP34091 (rs4245739) and its effect on breast-, colon-, lung- and prostate cancer risk.
Gansmo, Liv Beathe; Romundstad, Pål Richard; Birkeland, Einar Elvbakken; Hveem, Kristian; Vatten, Lars Johan; Knappskog, Stian; Lønning, Per Eystein (Peer reviewed; Journal article, 2015-10-16)The MDM4 protein plays an important part in the negative regulation of the tumor suppressor p53 through its interaction with MDM2. In line with this, MDM4 amplification has been observed in several tumor forms. A polymorphism ... -
The MDM4 SNP34091 (rs4245739) C-allele is associated with increased risk of ovarian—but not endometrial cancer
Gansmo, Liv Beathe; Bjørnslett, Merete Pauline; Halle, Mari Kyllesø; Salvesen, Helga Birgitte; Dørum, Anne; Birkeland, Einar Elvbakken; Hveem, Kristian; Romundstad, Pål Richard; Vatten, Lars Johan; Lønning, Per Eystein; Knappskog, Stian (Peer reviewed; Journal article, 2016-02-11)The MDM4 protein (also known as MDMX or HDMX) is a negative regulator of p53, not only by direct interaction but also through its interaction with MDM2. Further, MDM4 overexpression and amplification have been observed in ... -
Microvascular proliferation in luminal Aand basal-like breast cancer subtypes
Kraby, Maria Ryssdal; Krüger, Kristi; Opdahl, Signe; Vatten, Lars Johan; Akslen, Lars A.; Bofin, Anna M. (Peer reviewed; Journal article, 2015)Aims: The aims of this study were to examine microvessel density (MVD), proliferating MVD (pMVD) and Vascular Proliferation Index (VPI) in basal-like phenotype (BP) and luminal A subtypes of breast cancer and to study their ... -
Molecular Subtypes of Breast Cancer: Long-term Incidence Trends and Prognostic Differences
Valla, Marit; Vatten, Lars Johan; Engstrøm, Monica J; Haugen, Olav Anton; Akslen, Lars A.; Bjørngaard, Johan Håkon; Hagen, Anne Irene; Ytterhus, Borgny; Bofin, Anna M.; Opdahl, Signe (Peer reviewed; Journal article, 2016-12)Background: Secular trends in incidence and prognosis of molecular breast cancer subtypes are poorly described. We studied long-term trends in a population of Norwegian women born 1886–1977. Methods: A total of 52,949 women ... -
Molecular subtypes, histopathological grade and survival in a historic cohort of breast cancer patients
Engstrøm, Monica J; Opdahl, Signe; Hagen, Anne Irene; Romundstad, Pål Richard; Akslen, Lars A.; Haugen, Olav A.; Vatten, Lars Johan; Bofin, Anna M. (Peer reviewed; Journal article, 2013-08)Molecular subtyping of breast cancer may provide additional prognostic information regarding patient outcome. However, its clinical significance remains to be established. In this study, the main aims were to discover ... -
Nut consumption and risk of cardiovascular disease, total cancer, all-cause and cause-specific mortality: a systematic review and dose-response meta-analysis of prospective studies
Aune, Dagfinn; Keum, NaNa; Giovannucci, Edward; Fadnes, Lars T.; Boffetta, Paolo; Greenwood, Darren C; Tonstad, Serena; Vatten, Lars Johan; Riboli, Elio; Norat, Teresa (Journal article; Peer reviewed, 2016)Background: Although nut consumption has been associated with a reduced risk of cardiovascular disease and all-cause mortality, data on less common causes of death has not been systematically assessed. Previous reviews ... -
Polymorphisms in the TP53-MDM2-MDM4-axis in patients with rheumatoid arthritis
Gansmo, Liv Beathe; Lie, Benedicte Alexandra; Mæhlen, Marthe Thoresen; Vatten, Lars Johan; Romundstad, Pål Richard; Hveem, Kristian; Lønning, Per Eystein; Knappskog, Stian (Journal article; Peer reviewed, 2021)Background In addition to being a tumour suppressor, TP53 is a suppressor of inflammation, and dysfunction of this gene has been related to autoimmune diseases. Patients with autoimmunity, such as rheumatoid arthritis ... -
Population distribution and ancestry of the cancer protective MDM2 SNP285 (rs117039649)
Knappskog, Stian; Gansmo, Liv Beathe; Dibirova, Khadizha; Metspalu, Andres; Cybulski, Cezary; Peterlongo, Paolo; Aaltonen, Lauri; Vatten, Lars Johan; Romundstad, Pål Richard; Hveem, Kristian; Devilee, Peter; Evans, Gareth D; Lin, Dongxin; Van Camp, Guy; Manolopoulos, Vangelis G; Osorio, Ana; Milani, Lili; Ozcelik, Tayfun; Zalloua, Pierre; Mouzaya, Francis; Bliznetz, Elena; Balanovska, Elena; Pocheshkova, Elvira; Kucinskas, Vaidutis; Atramentova, Lubov; Nymadawa, Pagbajabyn; Titov, Konstantin; Lavryashina, Maria; Yusupov, Yuldash; Bogdanova, Natalia; Koshel, Sergey; Zamora, Jorge; Wedge, David C.; Charlesworth, Deborah; Dörk, Thilo; Balanovsky, Oleg; Lønning, Per Eystein (Peer reviewed; Journal article, 2014-04-18)The MDM2 promoter SNP285C is located on the SNP309G allele. While SNP309G enhances Sp1 transcription factor binding and MDM2 transcription, SNP285C antagonizes Sp1 binding and reduces the risk of breast-, ovary- and ... -
Pregnancy complications in last pregnancy and mothers’ long-term cardiovascular mortality: does the relation differ from that of complications in first pregnancy? A population-based study
Seid, Abdu Kedir; Morken, Nils-Halvdan; Klungsøyr, Kari; Kvalvik, Liv Grimstvedt; Sørbye, Linn Marie; Vatten, Lars Johan; Skjaerven, Rolv (Journal article; Peer reviewed, 2023)Background Women who experience complications in first pregnancy are at increased risk of cardiovascular disease (CVD) later in life. Little corresponding knowledge is available for complications in later pregnancies. ... -
Repositioning of the global epicentre of non-optimal cholesterol
Taddei, Cristina; Zhou, Bin; Bixby, Honor; Carrillo-Larco, Rodrigo M.; Danaei, Goodarz; Jackson, Rod T.; Ahmed, Soheir H; Andersen, Lars Bo; Anderssen, Sigmund Alfred; Ariansen, Inger Kristine Holtermann; Bjertness, Espen; Bjertness, Marius Bergsmark; Graff-Iversen, Sidsel; Haugsgjerd, Teresa Risan; Janszky, Imre; Krokstad, Steinar; Laugsand, Lars Erik; Madar, Ahmed Ali; Mathiesen, Ellisiv B.; Meyer, Haakon E; Sen, Abhijit; Tell, Grete S.; Vatten, Lars Johan; Wilsgaard, Tom; Farzadfar, Farshad; Sophiea, Marisa K.; Di Cesare, Mariachiara; Iurilli, Maria L. C.; Martinez, Andrea Rodriguez; Asghari, Golaleh; Dhana, Klodian; Gulayin, Pablo; Kakarmath, Sujay; Santero, Marilina; Voortman, Trudy; Riley, Leanne M.; Cowan, Melanie J.; Savin, Stefan; Bennett, James E.; Stevens, Gretchen A.; Paciorek, Christopher J.; Aekplakorn, Wichai; Cifkova, Renata; Giampaoli, Simona; Kengne, Andre Pascal; Khang, Young-Ho; Kuulasmaa, Kari; Laxmaiah, Avula; Margozzini, Paula; Mathur, Prashant (Journal article; Peer reviewed, 2020-06)High blood cholesterol is typically considered a feature of wealthy western countries1,2. However, dietary and behavioural determinants of blood cholesterol are changing rapidly throughout the world3 and countries are using ... -
Rising rural body-mass index is the main driver of the global obesity epidemic in adults
Bixby, Honor; Bentham, James; Zhou, Bin; Di Cesare, Mariachiara; Paciorek, Christopher J.; Bennett, James E.; Taddei, Cristina; Stevens, Gretchen A.; Rodriguez-Martinez, Andrea; Carrillo-Larco, Rodrigo M.; Andersen, Lars Bo; Anderssen, Sigmund Alfred; Ekelund, Ulf; Kolle, Elin; Steene-Johannessen, Jostein; Tarp, Jakob; Ariansen, Inger; Biehl, Anna Månsson; Graff-Iversen, Sidsel; Meisfjord, Jørgen Rajan; Bjertness, Espen; Bjertness, Marius Bergsmark; Meyer, Haakon E; Haugsgjerd, Teresa Risan; Tell, Grethe S.; Janszky, Imre; Krokstad, Steinar; Laugsand, Lars Erik; Sen, Abhijit; Vatten, Lars Johan; Mathiesen, Ellisiv B.; Wilsgaard, Tom; Khang, Young-Ho; Soric, Maroje; Gregg, Edward W.; Miranda, J. Jaime; Bhutta, Zulfiqar A.; Savin, Stefan; Sophiea, Marisa K.; Iurilli, Maria L. C.; Solomon, Bethlehem D.; Cowan, Melanie J.; Riley, Leanne M.; Danaei, Goodarz; Bovet, Pascal; Chirita-Emandi, Adela; Hambleton, Ian R; Hayes, Alison J; Ikeda, Nayu; Kengne, Andre P; Laxmaiah, Avula (Peer reviewed; Journal article, 2019)Body-mass index (BMI) has increased steadily in most countries in parallel with a rise in the proportion of the population who live in cities1,2. This has led to a widely reported view that urbanization is one of the most ... -
Understanding recent trends in incidence of invasive breast cancer in Norway: age-period-cohort analysis based on registry data on mammography screening and hormone treatment use
Weedon-Fekjær, Harald; Bakken, Kjersti; Vatten, Lars Johan; Tretli, Steinar (Journal article, 2012-01-30)Objective: To quantify the separate contributions of menopausal hormone treatment and mammography screening activities on trends in incidence of invasive breast cancer between 1987 and 2008. Design: Population study ...